Answer
$$g=6,\:g=-4$$
Work Step by Step
Completing the square to solve the equation, we find:
$$ \left(g-1\right)^2-24-\left(-1\right)^2 \\ \left(g-1\right)^2-25 \\ \left(g-1\right)^2=25 \\ g=6,\:g=-4$$
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